Home / 32,152.60-48,236.10-12,429.40

Finding the Fourth Proportional to 32,152.60, 48,236.10 and 12,429.40

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Solution

The fourth proportional to 32,152.60, 48,236.10 and 12,429.40 is: 18,646.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,152.60 : 48,236.10 = 12,429.40 : x
  2. Step 2: Convert to fraction form
    32,152.60/48,236.10 = 12,429.40/x
  3. Step 3: Cross multiply
    32,152.60x = 48,236.10 × 12,429.40
  4. Step 4: Simplify right side
    32,152.60x = 599,545,781.34
  5. Step 5: Solve for x
    x = 599,545,781.34/32,152.60
  6. Step 6: Final answer
    x = 18,646.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.